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55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/**
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* When the isPrototypeOf method is called with argument V and when O and
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* V refer to the same object or to objects joined to each other, return true
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*
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* @path ch15/15.2/15.2.4/15.2.4.6/S15.2.4.6_A1.js
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* @description Creating two objects with the same prototype
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*/
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function USER_FACTORY( name ) {
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this.name = name;
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this.getName=function(){return name;};
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}
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function FORCEDUSER_FACTORY( name, grade ) {
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this.name = name;
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this.grade = grade;
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this.getGrade=function(){return grade;};
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}
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var proto = new USER_FACTORY("noname");
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FORCEDUSER_FACTORY.prototype = proto;
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var luke = new FORCEDUSER_FACTORY("Luke Skywalker", 12);
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//////
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// CHECK#1
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if(proto.isPrototypeOf(luke)){
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$PRINT('#1: Native ECMAScript objects have an internal property called [[Prototype]].');
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} else {
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$ERROR('#1: native ECMAScript objects have an internal property called [[Prototype]].');
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}
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//
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/////////
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//////
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// CHECK#2
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if(USER_FACTORY.prototype.isPrototypeOf(luke)){
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$PRINT('#2: Native ECMAScript objects have an internal property called [[Prototype]].');
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} else {
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$ERROR('#2: native ECMAScript objects have an internal property called [[Prototype]].');
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}
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//
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/////////
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//////
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// CHECK#3
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if(Number.isPrototypeOf(luke)){
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$ERROR('#2: Native ECMAScript objects have an internal property called [[Prototype]].');
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}
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//
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/////////
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